package com.atguigu.lease.web.admin.custom.interceptor;

import com.atguigu.lease.common.context.LoginUser;
import com.atguigu.lease.common.context.LoginUserContext;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

@Component
public class AuthenticationInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
           String token = request.getHeader("access_token");
           if(token==null){
                 throw  new LeaseException(ResultCodeEnum.ADMIN_LOGIN_AUTH);
           }else{
               Claims claims = JwtUtil.parseToken(token);

               Long userId = claims.get("userId", Long.class);
               String userName = claims.get("userName", String.class);
               LoginUserContext.set(new LoginUser(userId,userName));
           }
           return true;
    }


    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserContext.remove();
    }
}
